Basic Share Information

Business year January 1 to December 31
Annual shareholders' meeting Held in March of every year
Base dates Annual shareholders' meeting : December 31 of every year
Year-end dividends : December 31 of every year
Interim dividends : June 30 of every year
Other days as needed, to be designated subject to prior public announcement.
Share trading unit 100 shares
Methods of announcement Official announcements shall be made electronically and shall be posted on the company website (Japanese only).
When an announcement cannot be made electronically due to systems failure or for any other unavoidable reasons, the announcement shall appear in the Nihon Keizai Shimbun.
Market of listing Tokyo Stock Exchange, First Section (code: 3436)

Notification of Change of Address and inquiries

Shareholders who have accounts with securities should address their notification of change of address and inquiries to the securities company with whom they have an account.

Shareholders who do not have accounts with securities companies can contact the telephone inquiry desk.

Transfer agent and manager of special accounts

1-4-1 Marunouchi, Chiyoda-ku, Tokyo, Japan

Transfer agent
  • Administrative office
    Stock Transfer Agency Department
    Sumitomo Mitsui Trust Bank, Limited
    1-4-1 Marunouchi, Chiyoda-ku, Tokyo, Japan
  • Mailing address
    Stock Transfer Agency Department
    Sumitomo Mitsui Trust Bank, Limited
    2-8-4 Izumi, Suginami-ku, Tokyo 168-0063, Japan
  • Telephone
    (Free Dial) 0120-782-031

Requests for Buyback of Fractional Shares

SUMCO operates a buyback request program for shares less than one share unit (100 shares) that cannot be traded in the market. For details regarding buyback procedures, please contact your securities company or the stock transfer agency, Sumitomo Mitsui Trust Bank, Limited.